Sentence examples for missing values prior from inspiring English sources

All variables were examined for accuracy of data entry and missing values prior to the analyses.

Therefore we imputed the missing values prior to SPCA & ODE modeling by interpolation.

Furthermore we had to impute many missing values prior to our calculations as mentioned above in this section.

However, it can easily lead to a practical problem when we have to impute missing values prior to death.

As there were missing data on some costs and other patient variables (Table  1), multiple imputation [ 61] was used to account for missing values prior to examining the relationship between costs and other patient characteristics.

For a two year period (2001 & 2002) missing values for prior CABG and prior PCI were automatically coded as "0" in the raw APPROACH data (as opposed to being coded as unknown or missing).

In this way a BBN can elegantly handle missing values in prior distributions by inference from other parameter findings – an extensive literature expounds the principles (e.g. Daniels and Hogan [2008] is a recent text).

450K-array data were obtained and normalized using GenomeStudio® software (Illumina) according to the manufacturer's instructions and the Illumina Methylation Analyzer (IMA) R package [ 42]. 450K-array probes with detection p-values greater than 0.01 or with missing values were removed prior to further analyses.

We therefore undertook multiple missing values imputation over 100 iterations prior to performing univariable and multivariable analyses.

Since Haploview cannot handle missing values, missing bases were substituted prior to data analysis with an appropriate single nucleotide.

Because of missing values, we performed multiple imputations prior to any modeling by using the fully conditional specification method (26).